RT info:eu-repo/semantics/article T1 New uses of the westphal condensation. Synthesis of pi-donor-pi-acceptor heterocycles A1 Matía Martín, María de la Paz A1 Ezquerra, Jesús A1 Sánchez Ferrando, Francisco A1 García Navío, José Luis A1 Vaquero López, Juan J. A1 Álvarez-Builla Gómez, Julio K1 2-methylpyridinium salts K1 1,4-dinucleophiles K1 Ciencia K1 Química orgánica K1 Science K1 Chemistry, organic AB Novel pyrido[1,2-a] and pyridazino[2,3-a]-pyrrolo[2,1-c]pyrazin-7-ium derivatives have been prepared using Westphal condensation as an example of fused heterocycles with linked π-donor and π-acceptor moieties. PB Pergamon SN 0040-4020 YR 1991 FD 1991 LK http://hdl.handle.net/10017/3683 UL http://hdl.handle.net/10017/3683 LA eng NO Authors wish to acknowledge the assistance provided by LILLY S.A. in Nmr analysis, and to the Comisión Interministerial de Ciencia y Tecnología(CICYT) for financial support ( Project PB87-0755J DS MINDS@UW RD 26-abr-2024